come across somebody/something
to meet or find somebody/something by chance (偶然)遇見,碰見,發現
I came across children sleeping under bridges.
我偶然發現睡在橋下的孩子。
She came across some old photographs in a drawer.
她在抽屜里偶然發現了一些舊照片。
random:done, chosen, etc. without somebody thinking or deciding in advance what is going to happen 隨意的;任意的;未經事先考慮的;胡亂的
the random killing of innocent people
對無辜者的隨意殺戮
a random sample/selection(= in which each thing has an equal chance of being chosen)
隨機抽樣/選擇
The information is processed in a random order.
信息是按隨機順序處理的.
entry:an item, for example a piece of information, that is written or printed in a dictionary, an account book, a diary, etc. 項目;條目;詞條;賬目;記錄
an encyclopedia entry
百科全書的一個條目
There is no entry in his diary for that day.
他的日記里沒有那天的記錄.